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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in add_one_compat_dev rdma | 1 | 1111d | 1111d | 0/28 | auto-closed as invalid on 2022/01/16 14:52 | |||
| linux-5.15 | INFO: task hung in add_one_compat_dev | 1 | 527d | 527d | 0/3 | auto-obsoleted due to no activity on 2023/09/02 14:33 | |||
| upstream | INFO: task hung in add_one_compat_dev (3) rdma | 41 | 5d03h | 12d | 0/28 | upstream: reported on 2024/10/22 07:39 |
INFO: task syz-executor.5:25343 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00135-g38c1e0c65865 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27256 pid:25343 ppid:5107 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
add_one_compat_dev drivers/infiniband/core/device.c:943 [inline]
add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920
rdma_dev_init_net+0x2b9/0x4b0 drivers/infiniband/core/device.c:1185
ops_init+0xb9/0x670 net/core/net_namespace.c:135
setup_net+0x793/0xe60 net/core/net_namespace.c:333
copy_net_ns+0x31b/0x6b0 net/core/net_namespace.c:483
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc5/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x449/0x920 kernel/fork.c:3202
__do_sys_unshare kernel/fork.c:3273 [inline]
__se_sys_unshare kernel/fork.c:3271 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3271
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7d01e8c0f9
RSP: 002b:00007f7d02c4f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f7d01fac120 RCX: 00007f7d01e8c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f7d01ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffeff8735f R14: 00007f7d02c4f300 R15: 0000000000022000
</TASK>
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c78f7b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/02/10 13:21 | upstream | 38c1e0c65865 | 07980f9d | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in add_one_compat_dev | |||
| 2023/02/03 21:25 | upstream | 7b753a909f42 | 1b2f701a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in add_one_compat_dev | ||
| 2023/01/25 17:14 | upstream | 948ef7bb70c4 | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in add_one_compat_dev | ||
| 2023/06/25 13:20 | net | f1bc9fc4a06d | 09ffe269 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in add_one_compat_dev | ||
| 2023/06/29 22:08 | net-next | ae230642190a | 7b33cf8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in add_one_compat_dev | ||
| 2023/05/18 03:05 | net-next | af2eab1a8243 | 3bb7af1d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in add_one_compat_dev | ||
| 2023/04/13 10:26 | net-next | f2b3b6a22df7 | 82d5e53e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in add_one_compat_dev |